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Diffstat (limited to 'engines/titanic/core/message_target.h')
-rw-r--r-- | engines/titanic/core/message_target.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/engines/titanic/core/message_target.h b/engines/titanic/core/message_target.h new file mode 100644 index 0000000000..a52de591b3 --- /dev/null +++ b/engines/titanic/core/message_target.h @@ -0,0 +1,104 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef TITANIC_MESSAGE_TARGET_H +#define TITANIC_MESSAGE_TARGET_H + +#include "titanic/core/saveable_object.h" + +namespace Titanic { + +class CMessageTarget; +class CMessage; + +typedef bool (CMessageTarget::*PMSG)(CMessage *msg); + +struct MSGMAP_ENTRY { + PMSG _fn; + ClassDef *_class; +}; + +struct MSGMAP { + const MSGMAP *(* pFnGetBaseMap)(); + const MSGMAP_ENTRY *lpEntries; +}; + +#define DECLARE_MESSAGE_MAP \ +protected: \ + static const MSGMAP *getThisMessageMap(); \ + virtual const MSGMAP *getMessageMap() const + +#define BEGIN_MESSAGE_MAP(theClass, baseClass) \ + const MSGMAP *theClass::getMessageMap() const \ + { return getThisMessageMap(); } \ + const MSGMAP *theClass::getThisMessageMap() \ + { \ + typedef theClass ThisClass; \ + typedef baseClass TheBaseClass; \ + typedef bool (theClass::*FNPTR)(CMessage *msg); \ + static const MSGMAP_ENTRY _messageEntries[] = { + +#define ON_MESSAGE(msgClass) \ + { static_cast<PMSG>((FNPTR)&ThisClass::msgClass), C##msgClass::_type }, + +#define END_MESSAGE_MAP() \ + { (PMSG)nullptr, nullptr } \ + }; \ + static const MSGMAP messageMap = \ + { &TheBaseClass::getThisMessageMap, &_messageEntries[0] }; \ + return &messageMap; \ + } + +#define EMPTY_MESSAGE_MAP(theClass, baseClass) \ + const MSGMAP *theClass::getMessageMap() const \ + { return getThisMessageMap(); } \ + const MSGMAP *theClass::getThisMessageMap() \ + { \ + typedef baseClass TheBaseClass; \ + static const MSGMAP_ENTRY _messageEntries[] = { \ + { (PMSG)nullptr, nullptr } \ + }; \ + static const MSGMAP messageMap = \ + { &TheBaseClass::getThisMessageMap, &_messageEntries[0] }; \ + return &messageMap; \ + } \ + static const int DUMMY = 0 + +class CMessageTarget: public CSaveableObject { + DECLARE_MESSAGE_MAP; +public: + CLASSDEF; + + /** + * Save the data for the class to file + */ + virtual void save(SimpleFile *file, int indent); + + /** + * Load the data for the class from file + */ + virtual void load(SimpleFile *file); +}; + +} // End of namespace Titanic + +#endif /* TITANIC_MESSAGE_TARGET_H */ |